Pipe fitting cleaner brush



FIG. 1 is a side elevational view of a pipe fitting cleaning brush showing my new design, the opposite side being a mirror image;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a rear elevational view thereof.

The electric screwdriver is shown in dotted lines and is not part of the design as claimed. 

The ornamental design for a pipe fitting cleaning brush, as shown and described. 